Page:Miscellaneous Papers on Mechanical Subjects.djvu/150

 42. Indiarubber Manufactures.—Indiarubber is applied to a great variety of purposes, and its manufacture here is attended with very great success.

By the process of hardening, the substance becomes of the consistency of horn. It is manufactured into combs, walking sticks, and other articles.

43. Indiarubber Overshoes.—The indiarubber in its rough state is first cut up by shears into small pieces. It is then put through a machine similar to that used for tearing and cleaning rags intended to be made into paper. The water used in the operation is drawn off from time to time through a wire grating.

The material, thus chopped up and cleaned, is passed through rollers, where it is sufficiently ground. It is then put through other rollers,